AppRecs review analysis
AppRecs rating . Trustworthiness 80 out of 100. Review manipulation risk 18 out of 100. Based on a review sample analyzed.
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AppRecs Rating
Ratings breakdown
5 star
29%
4 star
29%
3 star
14%
2 star
0%
1 star
29%
What to know
✓
Low review manipulation risk
18% review manipulation risk
✓
Credible reviews
80% trustworthiness score from analyzed reviews
About Shredpix - Encode COFDMTV
Shredpix converts images to COFDMTV encoded audio signals and is based on open-source software.
COFDMTV is based on COFDM (coded orthogonal frequency-division multiplexing) technology:
- 160 ms long OFDM symbols
- 6.25 Hz per sub-carrier
- 1/8 guard interval
- differentially encoded PSK (phase-shift keying) modulation
- systematic polar codes for forward error correction
Following modes are supported:
Using SPC(64800, 43072):
Mode 6: 8PSK, 2700 Hz BW and about 10 seconds long
Mode 7: 8PSK, 2500 Hz BW and about 11 seconds long
Mode 8: QPSK, 2500 Hz BW and about 16 seconds long
Mode 9: QPSK, 2250 Hz BW and about 18 seconds long
Using SPC(64512, 43072):
Mode 10: 8PSK, 3200 Hz BW and about 9 seconds long
Mode 11: 8PSK, 2400 Hz BW and about 11 seconds long
Mode 12: QPSK, 2400 Hz BW and about 16 seconds long
Mode 13: QPSK, 1600 Hz BW and about 24 seconds long
Payload must be smaller or equal to 5380 bytes.
JPEG, PNG and WebP image formats are supported.
Width and height are limited to between 16 and 1024 pixels.
COFDMTV is based on COFDM (coded orthogonal frequency-division multiplexing) technology:
- 160 ms long OFDM symbols
- 6.25 Hz per sub-carrier
- 1/8 guard interval
- differentially encoded PSK (phase-shift keying) modulation
- systematic polar codes for forward error correction
Following modes are supported:
Using SPC(64800, 43072):
Mode 6: 8PSK, 2700 Hz BW and about 10 seconds long
Mode 7: 8PSK, 2500 Hz BW and about 11 seconds long
Mode 8: QPSK, 2500 Hz BW and about 16 seconds long
Mode 9: QPSK, 2250 Hz BW and about 18 seconds long
Using SPC(64512, 43072):
Mode 10: 8PSK, 3200 Hz BW and about 9 seconds long
Mode 11: 8PSK, 2400 Hz BW and about 11 seconds long
Mode 12: QPSK, 2400 Hz BW and about 16 seconds long
Mode 13: QPSK, 1600 Hz BW and about 24 seconds long
Payload must be smaller or equal to 5380 bytes.
JPEG, PNG and WebP image formats are supported.
Width and height are limited to between 16 and 1024 pixels.
Shredpix - Encode COFDMTV Screenshots
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Reviews for Shredpix - Encode COFDMTV
Doug Fenna
3/20/2025
It works fine to send colour bars, but how do I load a photo?
Dowa7a tv
2/4/2025
Sir please add high quality image and thanks for your application
